CATFvsTHYMETF Comparison
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American Century California Municipal Bond ETF (CATF) and T. Rowe Price High Income Municipal ETF (THYM) belong to the same industry segment: Municipal Bonds. Both ETFs have the same top 1 sector exposures: Municipal. CATF is less expensive with a Total Expense Ratio (TER) of 0.25%, versus 0.32% for THYM. CATF is down -0.06% year-to-date (YTD) with +$25M in YTD flows. THYM performs better with 1.54% YTD performance, and +$5M in YTD flows. Run a side-by-side ETF comparison of CATF and THYM below, and assess how they stack up in performance, liquidity, risk, exposure, holdings, and more, helping you select the best ETF for your investments.
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CATF vs THYM performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 09/01/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | CATF THYM | -0.64%-0.80% | -1.59%-1.43% | -0.06%+1.54% | +4.40%n/a | n/an/a | n/an/a |
| Flows | CATF THYM | +$2M+$1M | +$7M+$3M | +$25M+$5M | +$33M- | -- | -- |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | CATF THYM | +2.67%+3.21% | +2.53%n/a | n/an/a | n/an/a |
| Max drawdown | CATF THYM | -2.39%-2.72% | -2.58%n/a | n/an/a | n/an/a |
| Max drawdown duration | CATF THYM | 57d58d | 116dn/a | n/an/a | n/an/a |
Trading data
CATF | THYM | |
Last sale 9/2/2026 at 1:30 PM | $48.98 | $49.39 |
| Previous close 09/02/2026 | $49.04 | $49.39 |
| Consolidated volume 09/02/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
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Main metrics
Last update 9/2/2026 at 1:30 PM
Live
Closed
CATF | THYM | |
|---|---|---|
| Last price | $48.98 | $49.39 |
| 1D performance | -0.14% | +0.02% |
| AuM | $83.15 M | $27.11 M |
| E/R | 0.25% | 0.32% |
Characteristics
CATF | THYM | |
|---|---|---|
| Management strategy | Active | Active |
| Provider | American Century Investments | T. Rowe Price |
| Benchmark | - | - |
| N° of holdings | 107 | 93 |
| Asset class | - | - |
| Trailing 12m distribution yield | Join | Join |
| Inception date | July 18, 2024 | November 19, 2025 |
| ESG | No | No |
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Exposure
Countries
CATF
USA
39.99%
Other
60.01%
THYM
USA
42.5%
Other
57.5%
Sectors
CATF
Municipal
39.99%
Other
60.01%
THYM
Municipal
42.5%
Other
57.5%
Diversification
CATF
Total weight of top 15 holdings out of 15
12.56%
THYM
Total weight of top 15 holdings out of 15
17.54%
Top 15 holdings
Data as of July 31, 2026
CATF
California, 3.5% 1dec2030, USD
1.46%
Riverside Transportation Commission, 4% 1jun2046, USD
0.95%
California, 4% 1sep2043, USD
0.90%
US684133KT71
0.90%
US13032UN611
0.88%
East AWP Joint Powers Authority, 3.125% 1sep2026, USD (2024A)
0.85%
Puerto Rico Sales Tax Financing Corp., 4.329% 1jul2040, USD
0.84%
California Community Choice Financing Authority, 5.25% 1feb2036, USD (2026C)
0.79%
US13048VV394
0.75%
US13032UX453
0.73%
California Community Choice Financing Authority, 5% 1aug2055, USD (2024C)
0.73%
Desert Community College District, 5% 1aug2051, USD (2016)
0.71%
US544647JV34
0.69%
California Public Works Board, 5% 1sep2033, USD (2024)
0.69%
California Community Choice Financing Authority, 5% 1oct2034, USD (2026G)
0.69%
THYM
US74529JQM08
1.81%
Maryland Economic Development Corp., 5.25% 30jun2052, USD (2022B)
1.69%
Buckeye Tobacco Settlement Financing Authority, 5% 1jun2055, USD (2020B-2)
1.44%
US13078YXQ33
1.19%
Puerto Rico, FRN 1nov2051, USD
1.17%
US717901CE01
1.15%
US246372BC95
1.14%
Tobacco Settlement Financing Corp. (NJ), 5% 1jun2046, USD (2018B)
1.09%
Puerto Rico, 4% 1jul2046, USD
1.04%
US246387RS50
1.03%
US86607JAD63
1.01%
US13048V6W31
1.00%
US574218T373
0.96%
US60416UW684
0.94%
US165588FN90
0.89%
Frequently asked questions about CATF and THYM
How have the CATF and THYM ETFs performed in 2026?
As of September 1, 2026, CATF is down -0.06% year-to-date (YTD), while THYM has returned 1.54%. That puts THYM better performer ahead so far this year.
Which ETF is attracting more investor money: CATF or THYM?
Year-to-date, the CATF ETF saw +$25M in flows, compared to +$5M for THYM.
Which ETF is bigger: CATF or THYM?
As of September 1, 2026, CATF holds $83.15 M in assets under management (AUM), while THYM manages $27.11 M.
What sectors do the CATF and THYM ETFs invest in?
CATF leans toward sectors like Municipal. Meanwhile, THYM focuses on Municipal.
What are the top holdings of the CATF ETF and THYM ETF?
CATF top holdings include California, 3.5% 1dec2030, USD, Riverside Transportation Commission, 4% 1jun2046, USD and California, 4% 1sep2043, USD. THYM holds in its top three: US74529JQM08, Maryland Economic Development Corp., 5.25% 30jun2052, USD (2022B) and Buckeye Tobacco Settlement Financing Authority, 5% 1jun2055, USD (2020B-2).
Which ETF is more diversified: CATF or THYM?
CATF holds 303 securities with 12.56% of its assets in the top 15. THYM has 226 securities and a top 15 weight of 17.54%.
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